The Triple-A Classic was an interleague postseason championship series held annually between the league champions of the American Association (AA) and International League (IL) Triple-A leagues of Minor League Baseball from 1988 to 1991. All four Triple-A Classics were won by American Association teams. The Indianapolis Indians won the first two series held in 1988 and 1989, the Omaha Royals won in 1990, and the Denver Zephyrs won the final series in 1991.